ES410197A1 - Shock absorber and valve assembly - Google Patents

Shock absorber and valve assembly

Info

Publication number
ES410197A1
ES410197A1 ES410197A ES410197A ES410197A1 ES 410197 A1 ES410197 A1 ES 410197A1 ES 410197 A ES410197 A ES 410197A ES 410197 A ES410197 A ES 410197A ES 410197 A1 ES410197 A1 ES 410197A1
Authority
ES
Spain
Prior art keywords
shock absorber
valve assembly
hydraulic
swish
flow control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES410197A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tenneco Automotive Europe BVBA
Original Assignee
Monroe Belgium NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Monroe Belgium NV filed Critical Monroe Belgium NV
Publication of ES410197A1 publication Critical patent/ES410197A1/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/34—Special valve constructions; Shape or construction of throttling passages
    • F16F9/341—Special valve constructions; Shape or construction of throttling passages comprising noise-reducing or like features, e.g. screens
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/34—Special valve constructions; Shape or construction of throttling passages
    • F16F9/348—Throttling passages in the form of annular discs or other plate-like elements which may or may not have a spring action, operating in opposite directions or singly, e.g. annular discs positioned on top of the valve or piston body
    • F16F9/3484—Throttling passages in the form of annular discs or other plate-like elements which may or may not have a spring action, operating in opposite directions or singly, e.g. annular discs positioned on top of the valve or piston body characterised by features of the annular discs per se, singularly or in combination
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7847—With leak passage

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

A hydraulic direct-acting telescopic shock absorber having an improved valve mechanism incorporating a plurality of valve disks each having flow control orifices which function to reduce the hydraulic "swish" noise produced during operation of the shock absorber.
ES410197A 1971-12-30 1972-12-29 Shock absorber and valve assembly Expired ES410197A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21396071A 1971-12-30 1971-12-30

Publications (1)

Publication Number Publication Date
ES410197A1 true ES410197A1 (en) 1975-12-01

Family

ID=22797208

Family Applications (1)

Application Number Title Priority Date Filing Date
ES410197A Expired ES410197A1 (en) 1971-12-30 1972-12-29 Shock absorber and valve assembly

Country Status (14)

Country Link
US (1) US3756357A (en)
JP (1) JPS4877270A (en)
AU (1) AU469341B2 (en)
BE (1) BE793386A (en)
BR (1) BR7209283D0 (en)
DE (1) DE2264139C3 (en)
ES (1) ES410197A1 (en)
FR (1) FR2170631A5 (en)
GB (1) GB1387150A (en)
IT (1) IT973232B (en)
NL (1) NL156797B (en)
NO (1) NO131361C (en)
SE (1) SE391790B (en)
ZA (1) ZA729005B (en)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1482813A (en) * 1974-10-23 1977-08-17 Woodhead Ltd J Shock absorbers
US4203507A (en) * 1977-04-29 1980-05-20 Honda Giken Kogyo Kabushiki Kaisha Shock absorber
CA1096410A (en) * 1977-06-13 1981-02-24 Jan M. A. Wijnhoven Shock absorber piston
IT1107174B (en) * 1978-03-21 1985-11-25 Iao Industrie Riunite Spa IMPROVEMENTS IN TELESCOPIC TYPE HYDRAULIC SHOCK ABSORBERS
FR2454563A1 (en) * 1979-04-18 1980-11-14 Allinquant J G Valve for hydraulic shock absorber - has baffles on either side of piston face to allow limited radial liquid flow
DE3015596A1 (en) * 1980-04-23 1981-10-29 Fichtel & Sachs Ag, 8720 Schweinfurt HYDRAULIC VIBRATION DAMPER WITH LOW-NOISE SHOCK VALVES
US4352417A (en) * 1980-10-03 1982-10-05 Ford Motor Company Control valve for shock absorber pistons and the like
DE3100886A1 (en) * 1981-01-14 1982-08-05 Fichtel & Sachs Ag, 8720 Schweinfurt HYDRAULIC VIBRATION DAMPER WITH LOW-NOISE SHOCK VALVES
FR2500899B1 (en) * 1981-02-27 1985-07-05 Allinquant J G IMPROVEMENTS TO HYDRAULIC SHOCK ABSORBER PISTONS TO REDUCE OPERATING NOISES
US4445333A (en) * 1981-07-16 1984-05-01 General Motors Corporation Valve assembly
US4610332A (en) * 1981-11-05 1986-09-09 Ford Motor Company Velocity sensitive valve element for a shock absorber
JPS597943U (en) * 1982-07-08 1984-01-19 カヤバ工業株式会社 Compression side leaf valve structure of piston part in hydraulic shock absorber
GB2191843B (en) * 1986-06-12 1989-12-20 Hollingsworth Uk Ltd Vibration damper
US5316113A (en) * 1987-11-19 1994-05-31 Atsugi Motor Parts Company Ltd. Hydraulic shock absorber
JP2839252B2 (en) * 1987-11-19 1998-12-16 株式会社ユニシアジェックス Hydraulic shock absorber
JPH01102536U (en) * 1987-12-28 1989-07-11
US5042624A (en) * 1988-09-29 1991-08-27 Atsugi Unisia Corporation Hydraulic shock absorber with pre-loaded valve for linear variation characteristics of damping force
DE3840302C2 (en) * 1988-11-30 1999-06-10 Mannesmann Sachs Ag Low-noise damping valve
US5148897A (en) * 1991-07-18 1992-09-22 Monroe Auto Equipment Company Piston valving for shock absorbers
US5699885A (en) * 1993-03-18 1997-12-23 Fichtel & Sachs Ag Vibration damper with adjustable damping force
DE4445926C1 (en) * 1994-12-22 1996-04-18 Fichtel & Sachs Ag Telescopic shock absorber
US5769190A (en) * 1996-01-16 1998-06-23 Tenneco Automotive Inc. Continuous controlled restriction valve for a shock absorber
US5813500A (en) * 1996-03-25 1998-09-29 Tenneco Automotive Inc. Anti-swish mechanism for a damper
GB2314602B (en) * 1996-06-28 2000-09-20 Delphi Espana Automotive Sys Suspension strut
US5755305A (en) * 1997-02-07 1998-05-26 Monroe Auto Equipment Division Of Tenneco Automotive Inc. Hydraulic vibration damper with noise reducing valve structure
US5911290A (en) * 1997-02-20 1999-06-15 Tenneco Automotive Inc. Step motor actuated continuous variable shock absorber
US6199671B1 (en) 1998-09-14 2001-03-13 New Joules Engineering (Sales) Proprietary) Limited Shock absorber
CA2400298A1 (en) * 2000-02-08 2001-08-16 Gabriel Ride Control Products, Inc. Improved shock absorber
DE10305386B3 (en) * 2003-02-11 2004-09-02 Thyssenkrupp Bilstein Gmbh Blow-off valve for a hydraulic shock absorber
JP4955241B2 (en) * 2005-09-07 2012-06-20 カヤバ工業株式会社 Damping force generation valve structure of hydraulic shock absorber
DE102008042251B3 (en) * 2008-09-22 2010-04-08 Zf Friedrichshafen Ag Steam valve for vibration damper in vehicle, has noise suppression unit formed by annular inertial flow channel that is assigned to passage channel, where flow channel is formed by helical-like pipe
US8573605B2 (en) * 2009-02-16 2013-11-05 Phillip Di Maria Active suspension system and hydraulic ram therefor
AU2010257464B2 (en) * 2009-12-30 2012-12-06 Vilo Niumeitolu Shock absorber
DE102011010070A1 (en) * 2011-02-01 2012-08-02 Hydac Technology Gmbh Hydropneumatic piston-cylinder arrangement
US10578183B2 (en) 2017-01-24 2020-03-03 Beijingwest Industries Co., Ltd. Twin-tube hydraulic damper with a vibration suppressing device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2546051A (en) * 1950-01-05 1951-03-20 Patent Dev Company Shock absorber
US2732039A (en) * 1952-11-20 1956-01-24 Shock absorber control valve
GB867905A (en) * 1958-11-13 1961-05-10 Allinquant Fernand St Improvements in and relating to hydraulic damping devices
DE1802720A1 (en) * 1967-11-02 1969-06-26 Monroe Auto Equipment Co Shock absorbers

Also Published As

Publication number Publication date
NO131361B (en) 1975-02-03
ZA729005B (en) 1973-09-26
NO131361C (en) 1975-05-14
BE793386A (en) 1973-04-16
DE2264139B2 (en) 1976-12-09
AU4993972A (en) 1974-07-04
DE2264139A1 (en) 1973-07-12
DE2264139C3 (en) 1982-02-25
IT973232B (en) 1974-06-10
US3756357A (en) 1973-09-04
JPS4877270A (en) 1973-10-17
NL7217801A (en) 1973-07-03
NL156797B (en) 1978-05-16
GB1387150A (en) 1975-03-12
BR7209283D0 (en) 1973-08-30
FR2170631A5 (en) 1973-09-14
SE391790B (en) 1977-02-28
AU469341B2 (en) 1974-07-04

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19940228